diff options
Diffstat (limited to 'src/mbgl/map/live_tile_data.cpp')
-rw-r--r-- | src/mbgl/map/live_tile_data.cpp | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/src/mbgl/map/live_tile_data.cpp b/src/mbgl/map/live_tile_data.cpp new file mode 100644 index 0000000000..34743f02ce --- /dev/null +++ b/src/mbgl/map/live_tile_data.cpp @@ -0,0 +1,67 @@ +#include <mbgl/map/annotation.hpp> +#include <mbgl/map/live_tile_data.hpp> +#include <mbgl/map/tile_parser.hpp> +#include <mbgl/style/style_source.hpp> +#include <mbgl/map/vector_tile.hpp> +#include <mbgl/platform/log.hpp> + +using namespace mbgl; + +LiveTileData::LiveTileData(Tile::ID const& id_, + util::ptr<AnnotationManager> annotationManager_, + float mapMaxZoom, + util::ptr<Style> style_, + GlyphAtlas& glyphAtlas_, + GlyphStore& glyphStore_, + SpriteAtlas& spriteAtlas_, + util::ptr<Sprite> sprite_, + const SourceInfo& source_, + Environment& env_) + : VectorTileData::VectorTileData(id_, mapMaxZoom, style_, glyphAtlas_, glyphStore_, + spriteAtlas_, sprite_, source_, env_), + annotationManager(annotationManager_) { + // live features are always ready + state = State::loaded; +} + +LiveTileData::~LiveTileData() {} + +void LiveTileData::parse() { + if (state != State::loaded) { + return; + } + + try { + if (!style) { + throw std::runtime_error("style isn't present in LiveTileData object anymore"); + } + + if (source.type == SourceType::Annotations) { + const std::unique_ptr<LiveTile>& tile = annotationManager->getTile(id); + + if (tile) { + // Parsing creates state that is encapsulated in TileParser. While parsing, + // the TileParser object writes results into this objects. All other state + // is going to be discarded afterwards. + TileParser parser(*tile, *this, style, glyphAtlas, glyphStore, spriteAtlas, sprite); + + // Clear the style so that we don't have a cycle in the shared_ptr references. + style.reset(); + + parser.parse(); + } else { + state = State::obsolete; + } + } else { + throw std::runtime_error("unknown live tile source type"); + } + } catch (const std::exception& ex) { + Log::Error(Event::ParseTile, "Live-parsing [%d/%d/%d] failed: %s", id.z, id.x, id.y, ex.what()); + state = State::obsolete; + return; + } + + if (state != State::obsolete) { + state = State::parsed; + } +} |